APA (7th ed.) Citation

Howells, R. G. (1999). Guide to identification of harmful and potentially harmful fishes, shellfishes, and aquatic plants prohibited in Texas (Rev. ed.). Texas Parks & Wildlife Dept., Inland Fisheries Division.

Chicago Style (17th ed.) Citation

Howells, Robert G. Guide to Identification of Harmful and Potentially Harmful Fishes, Shellfishes, and Aquatic Plants Prohibited in Texas. Rev. ed. Austin, Tex.: Texas Parks & Wildlife Dept., Inland Fisheries Division, 1999.

MLA (9th ed.) Citation

Howells, Robert G. Guide to Identification of Harmful and Potentially Harmful Fishes, Shellfishes, and Aquatic Plants Prohibited in Texas. Rev. ed. Texas Parks & Wildlife Dept., Inland Fisheries Division, 1999.